Skip to content

AssistantSider AI

Sider

Multi-model AI side-panel for any browser tab.

Category
Assistant
Pricing
FREEMIUM
Models
Multi-model
Verified
Jun 1, 2026

Browser extension that drops a Claude / GPT / Gemini panel onto any page — summarize the article, chat with the PDF, translate the YouTube transcript. Pluggable across providers in one subscription.

Capabilities 6

What it actually does — grouped by capability family.

  • Multi-model access (primary capability)
  • Chat with documents (secondary capability)
  • Text-to-image (secondary capability)
  • Summarization (primary capability)
  • Translation (secondary capability)
  • Web research agent (secondary capability)

Pros & cons

  • Multi-model (Claude, GPT, Gemini) in one plan
  • Among most-installed browser AI assistants
  • Side-panel UX tuned for web pages and PDFs
  • Works across Chrome, Edge, and more
  • Closed source
  • Heavy users hit message/credit limits
  • Less media generation than Monica

Tags

Further reading

View all Assistant
  • View Monica details
    AssistantFREEMIUM

    Monica

    Monica

    All-in-one AI assistant sidebar for any browser tab.

    Monica is an all-in-one AI assistant that lives in a browser side-panel and across mobile and desktop apps, bundling chat, search, writing, translation, and page or video summarization. It aggregates many frontier models — plus image and video generation — into one subscription that works alongside any webpage.

    Works across any browser tab
    Closed source
    • browser
    • side-panel
    • all-in-one
    • multi-model
  • View Merlin AI details
    AssistantFREEMIUM

    Merlin AI

    Foyer

    Multi-model AI assistant in a browser side-panel, on any tab.

    A Chrome extension and web app that opens a Claude / GPT / Gemini / DeepSeek panel on any page (Ctrl/⌘+M) to summarize articles, chat with PDFs, draft replies on Gmail and LinkedIn, and answer alongside Google results. One subscription spans many models on a shared query-credit allowance.

    Many top models in one plan
    'Unlimited' Pro is a fair-use credit cap
    • browser
    • side-panel
    • multi-model
    • summarize
    • +1
  • View MaxAI details
    AssistantFREEMIUM

    MaxAI

    MaxAI.me

    All-in-one in-browser AI assistant. Multi-model.

    Same shape as Sider — multi-model AI sidebar that follows you across the web. Strong on quick actions (summarise, rewrite, translate) and saved prompt templates.

    Strong page-context awareness
    Free tier is limited
    • browser
    • sidebar
    • multi-model
    • quick-actions
  • View HARPA AI details
    AutomationFREEMIUM

    HARPA AI

    HARPA AI

    AI browser agent for Chrome that automates web tasks.

    A browser extension that fuses large language models with on-page web automation, letting an AI agent read, understand, and act on web pages — navigating, extracting data, filling forms, and monitoring sites for changes. It connects to multiple AI providers and ships 100+ preset commands for research, SEO, and writing. Available for Chrome, Edge, Firefox, Brave, and Opera.

    Real web automation, not just chat
    Steep learning curve
    • browser-agent
    • web-automation
    • chrome-extension
    • scraping
    • +1